Rendering literate Haskell with Ruby!
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README.md

Literati

Render literate Haskell into HTML using Ruby and magic. But mostly Ruby.

Literati.render("Markdown here\n\n> your literate Haskell here\n\nMore Markdown.")
# =>  <p>Markdown here</p>

      <pre><code class="haskell">your literate Haskell here
      </code></pre>

      <p>More Markdown.</p>

Simple and straightforward!

By default, we render using Markdown. If you want to use another markup language or Markdown renderer, then you can use the extra magical extended API. The only requirement is that the class takes the content as the sole argument for the initializer and exposes a to_html method. An example RedCarpet wrapper would look like this:

# A simple class to wrap passing the right arguments to RedCarpet.
class RedCarpetRenderer
  # Create a new compatibility instance.
  #
  # content - The Markdown content to render.
  def initialize(content)
    require 'redcarpet/compat'
    @content = content
  end

  # Render the Markdown content to HTML.  We use GFM-esque options here.
  #
  # Returns an HTML string.
  def to_html
    Markdown.new(@content, :fenced_code, :safelink, :autolink).to_html
  end
end

You can easily use that as a base for other wrappers. If you wanted to use, for example, a reStructuredText wrapper of some sort with literati, you'd do something like this:

renderer = Literati::Renderer.new("content", RSTRenderer)
renderer.to_html

The second, optional argument to the Renderer class's initializer is the class (i.e., not an instance) that you'll use to build the HTML. If you leave that option off, it'll default to our RedCarpetRenderer class.

Lastly, you can use the simple binscript we included:

literati file.lhs

That'll pipe the HTML to stdout so you can direct it wherever.